Asus P7H55-M LX User Manual - Page 47

P7P55/P7H57/P7H55 series motherboards installation notices Intel® LGA1156 processor and chipset combination instruction Chipset CPU type Clarkdale CPU (with integrated GPU) H57/H55 • Integrated GPU enabled • HDMI/DVI/D-Sub ports enabled* P55 Discrete VGA card required * Only available for motherboards with this function. Lynnfield CPU Discrete VGA card required Discrete VGA card required Memory configuration Chipset 1 DIMM 2 DIMMs 4 DIMMs CPU type Clarkdale CPU (with integrated GPU) Lynnfield CPU supports one module inserted into ANY slot as Single-channel memory configuration supports one module inserted into Slot A1 or B1 as Single-channel memory configuration supports two modules inserted into either the blue slots or the black slots as one pair of Dual-channel memory configuration supports two modules inserted into the blue slots (A1 and B1) as one pair of Dual-channel memory configuration supports four modules inserted into both the blue and the black slots as two pairs of Dual-channel memory configuration Configurations for the PCI Express x16 slots According to Intel® CPU spec, the PCIe x 6_2 slot of the H57/H55 chipset will be disabled when using Clarkdale CPU. Refer to the table below for details. Chipset PCI Express x16 slot PCIe x16_1 (blue) H57/H55 PCIe x16_2 (white)* PCIe x16_2 (black)* PCIe x16_1 (blue) PCIe x16_2 (white)* P55 PCIe x16_2 (black)* PCIe x16_3* (black) * The color of the PCIe x16_2 slot varies by model. ** The PCIe x16_2 slot can work at maximum x8 link only. CPU type Clarkdale CPU (with integrated GPU) Lynnfield CPU O O X O O O No limitation No limitation No limitation No limitation No limitation No limitation No limitation No limitation ASUS P7H55-M LE Series 2-21